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摘要目的在一项直肠癌多中心灌注CT研究中,对碘强化(iodine enhancement)、对比噪声比(CNR)和辐射剂量间的跨中心一致性进行了评价。方法在13所医院的7组CT
Abstract Objective To evaluate the cross-center conformance of iodine enhancement, contrast-to-noise ratio (CNR) and radiation dose in a multicentre perfusion CT study of rectal cancer. Methods Seven groups of CT in 13 hospitals